Home / 6,865.45-10,300.74-2,708.36

Finding the Fourth Proportional to 6,865.45, 10,300.74 and 2,708.36

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Solution

The fourth proportional to 6,865.45, 10,300.74 and 2,708.36 is: 4,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.45 : 10,300.74 = 2,708.36 : x
  2. Step 2: Convert to fraction form
    6,865.45/10,300.74 = 2,708.36/x
  3. Step 3: Cross multiply
    6,865.45x = 10,300.74 × 2,708.36
  4. Step 4: Simplify right side
    6,865.45x = 27,898,112.19
  5. Step 5: Solve for x
    x = 27,898,112.19/6,865.45
  6. Step 6: Final answer
    x = 4,063.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.